document.write( "Question 907799: sin theta = 7/25 and 90 degrees < theta < 180 degrees
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Algebra.Com's Answer #550672 by Edwin McCravy(20059)\"\" \"About 
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document.write( "Draw the angle in QII by drawing a right triangle in QII that\r\n" );
document.write( "has an angle with sine of 7/25.\r\n" );
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document.write( "Since the sine is \"opposite%2Fhypotenuse=y%2Fr\" make the opposite\r\n" );
document.write( "side or y equal to the numerator of 7/25, which is 7, and the \r\n" );
document.write( "hypotenuse or r equal to the denominator of 7/25, or 25.  I will\r\n" );
document.write( "indicate the angle by the red curved line.\r\n" );
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document.write( "Calculate the adjacent side or x by the Pythagorean theorem:\r\n" );
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document.write( "\"r%5E2=x%5E2%2By%5E2\"\r\n" );
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document.write( "\"25%5E2=x%5E2%2B7%5E2\"\r\n" );
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document.write( "\"625=x%5E2%2B49\"\r\n" );
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document.write( "\"576=x%5E2\"\r\n" );
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document.write( "\"%22%22+%2B-+sqrt%28576%29=x\"\r\n" );
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document.write( "\"-24=x\"\r\n" );
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document.write( "We take x as negative because x goes left in QII.\r\n" );
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document.write( "\"tan%282theta%29=2tan%28theta%29%2F%281-tan%5E2%28theta%29%29\"\r\n" );
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document.write( "Since \"tan%28theta%29=opposite%2F%28adjacent%29=y%2Fx=7%2F%28-24%29=-7%2F24\",\r\n" );
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document.write( "\"tan%282theta%29=2%28-7%2F24%29%2F%281-%28-7%2F24%29%5E2%29\"\r\n" );
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document.write( "\"tan%282theta%29=%28-7%2F12%29%2F%281-%2849%2F576%29%29\"\r\n" );
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document.write( "\"tan%282theta%29=%28-7%2F12%29%2F%28%28576%2F576%29-%2849%2F576%29%29\"\r\n" );
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document.write( "\"tan%282theta%29=%28-7%2F12%29%2F%28527%2F576%29\"\r\n" );
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document.write( "\"tan%282theta%29=%28-7%2F12%29%2A%28576%2F527%29\"\r\n" );
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document.write( "The 12 goes into 576 48 times, so that simplifies to\r\n" );
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document.write( "\"tan%282theta%29=-336%2F527\"\r\n" );
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document.write( "Edwin
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